Nothing
### This file contains functions for plot the unrooted tree.
plotnj <- function(unrooted.tree, X.class = NULL, type = "u", main = NULL,
show.tip.label = FALSE, show.node.label = FALSE,
edge.width = 1, edge.width.class = edge.width, ...){
if(!inherits(unrooted.tree, "phylo")){
stop("This is not a phylo tree.")
}
if(any(unrooted.tree$edge < 0)){
stop("This is not a unrooted tree.")
}
if(is.null(X.class)){
plot(unrooted.tree, type = type, show.tip.label = show.tip.label,
main = main, ...)
} else{
unrooted.tree.edge.color <- rep("#000000", length(unrooted.tree$edge.length))
unrooted.tree.edge.width <- rep(edge.width, length(unrooted.tree$edge.length))
for(k in sort(unique(X.class))){
unrooted.tree.edge.color[unrooted.tree$edge[, 2] %in% which(X.class == k)] <-
.Color[(k - 1) %% length(.Color) + 1]
unrooted.tree.edge.width[unrooted.tree$edge[, 2] %in% which(X.class == k)] <-
edge.width.class
}
plot(unrooted.tree, type = type,
edge.color = unrooted.tree.edge.color,
edge.width = unrooted.tree.edge.width,
show.tip.label = show.tip.label, main = main, ...)
}
if(show.node.label) nodelabels(frame = "n")
} # End of plotnj().
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